replacing umlaute and fixing address in headers Haldeneggsteig -> Universitaetsstrasse

Signed-off-by: Reto Achermann <reto.achermann@inf.ethz.ch>

Cleanup: removed redundant cmos.dev (lpc_rtc.dev has it all).
Moved rtc in-kernel driver to use Shift driver.
Made it clearer that the bitfield driver is deprecated for new devices.
Fixed minor bug in Shift driver.

Initial version of public stable barrelfish repository.